인산염계 수용성 유리의 용출 및 구조 분석

윤영진; 윤태민; 이용수; 강원호; Yoon Young Jin; Yoon Tae Min; Lee Yong Soo; Kang Won Ho

Korean Journal of Materials Research, Vol.12, No.7, 545-549, July, 2002

DOI10.3740/MRSK.2002.12.7.545 Export Citation

인산염계 수용성 유리의 용출 및 구조 분석

Dissolution and Structure Analysis of Phosphate Water Soluble glasses

윤영진^†, 윤태민, 이용수, 강원호

단국대학교 신소재공학과

Yoon Young Jin^†, Yoon Tae Min, Lee Yong Soo, and Kang Won Ho

Department New Material Science and Engineering, Dankook University, Choongnam 330-714, Korea

E-mail:

Potassium-Calcium-Phosphate glasses in range XCaO?(50?X)K 2 O \cdot 50P 2 O 5 were investigated. Glass transition temperature(Tg) of prepared glasses were below 520 ? C , thermal expansion coefficient from 270.3 \times10 7 to 604.5 \times10 7 / ? C . The structure of XCaO.(50-X) K 2 O \cdot 50P 2 O 5 glasses were examined by FT-IR spectroscopy indirectly. As CaO was increased, Ts, Tg, P-O-P bonding strength and chemical durability were increased. Glass surface change was observed with increasing dissolution time using bulk specimen, weight loss and pH change were measured as function of the dissolution time.

Keywords:water soluble glasses;structure;dissolution;ECO-Glass

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[2] Moustafa YM, Egili KE, J. Non- cryst. solid, 240, 144 (1998)

[3] Koo J, Bae S, Na HK, J. Non-cryst. solid, 212, 173 (1997)

[4] Shin PY, Yung SW, Chin TS, J. Non-cryst. solid, 224, 211 (1999)

[5] Drake CF, Allen WM, Biochem. Soc. Trans., 13, 516 (1985)

[6] Knott P, Glass tech., 62, 29 (1989)

[7] Westman AER, Crowther J, J. Am. Ceram. Soc., 37(9), 420 (1954)

[8] Oh SH, Choi SY, Kim KN, J. Kor. Ceram. Soc., 35(4), 319 (1998)

[9] Korea, patent2001-0056874 (2001)

[10] Hoppe U, Walter G, Kranold R, Stachel D, J. Noncryst. solid, 263, 29 (2000)

[11] Shin PY, Yung SW, Chin TS, J. Non-cryst. solid, 224, 143 (1998)

[12] Khattak GD, Salim MA, Hussain MS, J. Noncryst. solid, 185, 101 (1995)

[13] 作花濟夫, かラスの辭典, 朝倉書店, 東京, 1985 (1985)

[14] Douglas RW, Shamy TMM, J. Am. Ceram. Soc., 50(1), 1 (1967)

[15] Sanders DM, Hench LL, J. Am. Ceram. Soc., 57(4), 373 (1973)